A marsh spirit in the shape of a steer. When it bellows, people say rain is coming.
From — Same marsh name-root — fire-hag and rain-steer, never the same being.
Elsie 2001 s.v. Bush (~48–49): pond/swamp steer that bellows rain (si deshi bushi, bëri koha); Shkodra bushonja; Mat child-scare bozh. Not the same as Bushtra. witch; Not the same as Lexical. bushter→kulshedra.